<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 跨行合并：rowspan = "合并单元格个数"-->
    <!-- 跨列合并：colspan = "合并单元格个数"-->
    <!-- 在起始位置进行设置 -->
    <table align="center" border="1" width="500" height="300" cellpadding="" cellspacing="0">
        <tr>
            <td></td>
            <td colspan="2"></td>
            <!-- <td></td> -->
        </tr>
        <tr>
            <td rowspan="2"></td>
            <td></td>
            <td></td>
        </tr>
        <tr>
            <!-- <td></td> -->
            <td></td>
            <td></td>
        </tr>
    </table>



</body>
</html>